CVE-2026-25277: CWE-120 Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow') in Qualcomm, Inc. Snapdragon
CVE-2026-25277 is a high-severity buffer overflow vulnerability in Qualcomm Snapdragon platforms related to memory corruption when using Strongbox. It affects multiple Snapdragon 8 Gen series mobile platforms. The vulnerability allows an attacker with local privileges to cause a buffer overflow, potentially leading to complete confidentiality, integrity, and availability compromise. No patch or official remediation guidance is currently confirmed.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25277) is a classic buffer overflow (CWE-120) in Qualcomm Snapdragon 8 Gen 2, 8+ Gen 2, 8 Gen 3, 8 Elite, and 8 Elite Gen 5 mobile platforms. The issue arises from improper size checking during buffer copy operations in the Strongbox component, leading to memory corruption. The CVSS v3.1 score is 8.8, indicating high severity with local attack vector, low attack complexity, required privileges, no user interaction, and impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild, and no vendor patch or remediation level is provided in the available data.
Potential Impact
Successful exploitation could allow a local attacker with privileges to execute arbitrary code or cause denial of service via memory corruption in the Strongbox component of affected Snapdragon platforms. This results in high impact on confidentiality, integrity, and availability of the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, limit local access to trusted users and monitor for updates from Qualcomm regarding patches or mitigations.
CVE-2026-25277: CWE-120 Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow') in Qualcomm, Inc. Snapdragon
Description
CVE-2026-25277 is a high-severity buffer overflow vulnerability in Qualcomm Snapdragon platforms related to memory corruption when using Strongbox. It affects multiple Snapdragon 8 Gen series mobile platforms. The vulnerability allows an attacker with local privileges to cause a buffer overflow, potentially leading to complete confidentiality, integrity, and availability compromise. No patch or official remediation guidance is currently confirmed.
CVSS v3.1
Score 8.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25277) is a classic buffer overflow (CWE-120) in Qualcomm Snapdragon 8 Gen 2, 8+ Gen 2, 8 Gen 3, 8 Elite, and 8 Elite Gen 5 mobile platforms. The issue arises from improper size checking during buffer copy operations in the Strongbox component, leading to memory corruption. The CVSS v3.1 score is 8.8, indicating high severity with local attack vector, low attack complexity, required privileges, no user interaction, and impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild, and no vendor patch or remediation level is provided in the available data.
Potential Impact
Successful exploitation could allow a local attacker with privileges to execute arbitrary code or cause denial of service via memory corruption in the Strongbox component of affected Snapdragon platforms. This results in high impact on confidentiality, integrity, and availability of the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, limit local access to trusted users and monitor for updates from Qualcomm regarding patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qualcomm
- Date Reserved
- 2026-02-02T04:19:00.941Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1e08cbe29bf47b5051e3a0
Added to database: 6/1/2026, 10:33:47 PM
Last enriched: 6/1/2026, 10:48:29 PM
Last updated: 6/2/2026, 7:00:35 AM
Views: 12
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